/*
 * 
 *  This file is part of Sourceprojects.org Lycia Copyright 2010 noctarius
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 * 
 */
package org.sourceprojects.xmlparser.test.impl;

import org.sourceprojects.xmlparser.AbstractTagParser;
import org.sourceprojects.xmlparser.DefinitionBuilder;
import org.sourceprojects.xmlparser.ParserContext;
import org.sourceprojects.xmlparser.exceptions.XmlParserParsingException;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;

public class InputTagParser extends AbstractTagParser<StringBuilder> {
	private static final String NAMESPACEURI = "http://www.example.com/schema/tags";
	private static final String[] TAGS = { "input", "output" };

	@Override
	public String getNamespace() {
		return NAMESPACEURI;
	}

	@Override
	public String[] getTags() {
		return TAGS;
	}

	@Override
	public void parseElement(final Element element, final String tagname,
			final ParserContext<StringBuilder> parserContext,
			final DefinitionBuilder definitionBuilder)
			throws XmlParserParsingException {

		if ("upload".equals(parserContext.getParserState())) {
			if (tagname.equals("input")) {
				final StringBuilder buffer = parserContext.getContextObject();

				buffer.append("<").append(element.getNodeName());
				final NamedNodeMap map = element.getAttributes();
				for (int i = 0; i < map.getLength(); i++) {
					final Node node = map.item(i);
					buffer.append(node.getLocalName()).append("=\"").append(
							node.getNodeValue()).append("\" ");
				}
				buffer.append("/>");
			}
		} else {
			super.parseElement(element, parserContext, definitionBuilder);
		}
	}

	@Override
	public Node transformElement(final Element element, final String tagname,
			final ParserContext<StringBuilder> parserContext,
			final DefinitionBuilder definitionBuilder)
			throws XmlParserParsingException {

		if ("upload".equals(parserContext.getParserState())) {
			if (tagname.equals("output")) {
				return null;
			} else {
				final String id = element.getAttribute("id");

				final Element e = definitionBuilder.getDocument()
						.createElement("example:output");
				e.setAttribute("id", id);
				e.setAttribute("language", "en-EN");

				return e;
			}
		}

		return super
				.transformElement(element, parserContext, definitionBuilder);
	}

}
